| Tourney Name: | European Cup |
| Year: | 1963–64 |
| Size: | 300px |
| Dates: | – |
| Num Teams: | 31 |
| Champion Other: |  Inter Milan |
| Count: | 1 |
| Second Other: |  Real Madrid |
| Matches: | 61 |
| Goals: | 212 |
| Attendance: | 1945888 |
| Top Scorer: | Vladica Kovačević (Partizan) Sandro Mazzola (Inter Milan) Ferenc Puskás (Real Madrid) 7 goals each |
| Prevseason: | 1962–63 |
| Nextseason: | 1964–65 |
The 1963–64 season of the European Cup club football tournament saw Inter Milan win the title with a 3–1 victory over Real Madrid. It was the second consecutive season that an Italian team had won the competition.
Milan, the defending champions, were eliminated by Real Madrid in the quarter-finals.
Cyprus entered its champion for the first time this season.
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Notes:For the first time in tournament history, only the title holder, Milan, received a bye.
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Inter Milan won 1–0 on aggregate.----Monaco won 8–3 on aggregate.----Jeunesse Esch won 5–4 on aggregate.----Partizan won 6–1 on aggregate.----Górnik Zabrze 1–1 Austria Wien on aggregate.Górnik Zabrze won 2–1 in play-off match.----Dukla Prague won 8–0 on aggregate.----Benfica won 8–3 on aggregate.----Borussia Dortmund won 7–3 on aggregate.----Zürich won 4–2 on aggregate.----Galatasaray won 4–2 on aggregate.----Spartak Plovdiv won 3–2 on aggregate.----PSV Eindoven won 11–4 on aggregate.----Norrköping won 2–1 on aggregate.----Dinamo București won 3–0 on aggregate.----Real Madrid won 7–0 on aggregate.
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1 Zürich advanced to the second round over Galatasaray by winning a coin toss, after their play-off match ended 2–2.
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Dukla Prague won 4–3 on aggregate.----Borussia Dortmund won 6–2 on aggregate.----Partizan won 7–4 on aggregate.----Inter Milan won 4–1 on aggregate.----PSV Eindhoven won 1–0 on aggregate.----Zürich 2–2 Galatasaray on aggregate.Zürich 2–2 Galatasaray in play-off match. Zürich qualified on a coin toss.----Real Madrid won 8–4 on aggregate.----Milan won 6–3 on aggregate.
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Borussia Dortmund won 5–3 on aggregate.----Inter Milan won 4–1 on aggregate.----Zürich won 3–2 on aggregate.----Real Madrid won 4–3 on aggregate.
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Inter Milan won 4–2 on aggregate.----Real Madrid won 8–1 on aggregate.
See main article: 1964 European Cup Final.
The top scorers from the 1963–64 European Cup (including preliminary round) are as follows:
